Hardness Scales | McMaster-Carr

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Rockwell Hardness Scale

Hardness

Measures

For Use On

Hardness Measuring Range

For Durometer Shore

System of Measurement

Height

Width

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

RoHS

REACH

Specifications Met

Display Type

Depth

Length

Durometer Hardness Measuring Range

Material

Diameter

Ball Indenter Diameter

Vickers Hardness Measuring Range

976

999

Hardness Measuring Increments

0.1

4.25

Rockwell Hardness Measuring Range

Dial Diameter

Throat Height

51 Products

Measuring and Inspecting

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

13 products

Hardness Testers

Determine the Rockwell, Brinell, or Durometer hardness of any material

30 products

Hardness Tester Indenters

Hard enough to make impressions on most metal to determine Brinell hardness

2 products